1 /* $NetBSD: if_sn_ap.c,v 1.13 2018/10/14 00:10:11 tsutsui Exp $ */
2
3 /*
4 * Copyright (C) 1997 Allen Briggs
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by Allen Briggs
18 * 4. The name of the author may not be used to endorse or promote products
19 * derived from this software without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 #include <sys/cdefs.h>
34 __KERNEL_RCSID(0, "$NetBSD: if_sn_ap.c,v 1.13 2018/10/14 00:10:11 tsutsui Exp $");
35
36 #include "opt_inet.h"
37
38 #include <sys/param.h>
39 #include <sys/device.h>
40 #include <sys/errno.h>
41 #include <sys/ioctl.h>
42 #include <sys/socket.h>
43 #include <sys/syslog.h>
44 #include <sys/systm.h>
45
46 #include <net/if.h>
47 #include <net/if_ether.h>
48
49 #include <machine/cpu.h>
50 #include <machine/adrsmap.h>
51
52 #include <newsmips/apbus/apbusvar.h>
53 #include <newsmips/apbus/if_snreg.h>
54 #include <newsmips/apbus/if_snvar.h>
55
56 #include <newsmips/newsmips/machid.h>
57
58 #define SONIC_MACROM_OFFSET 0x40
59
60 #define SONIC_APBUS_REG_OFFSET 0x00010000
61 #define SONIC_APBUS_MEM_OFFSET 0x00020000
62 #define SONIC_APBUS_CTL_OFFSET (-0x00100000)
63
64 static int sn_ap_match(device_t, cfdata_t, void *);
65 static void sn_ap_attach(device_t, device_t, void *);
66 static int sn_ap_getaddr(struct sn_softc *, uint8_t *);
67
68 CFATTACH_DECL_NEW(sn_ap, sizeof(struct sn_softc),
69 sn_ap_match, sn_ap_attach, NULL, NULL);
70
71 static int
sn_ap_match(device_t parent,cfdata_t cf,void * aux)72 sn_ap_match(device_t parent, cfdata_t cf, void *aux)
73 {
74 struct apbus_attach_args *apa = aux;
75
76 if (strcmp(apa->apa_name, "sonic") != 0)
77 return 0;
78
79 return 1;
80 }
81
82 /*
83 * Install interface into kernel networking data structures
84 */
85 static void
sn_ap_attach(device_t parent,device_t self,void * aux)86 sn_ap_attach(device_t parent, device_t self, void *aux)
87 {
88 struct sn_softc *sc = device_private(self);
89 struct apbus_attach_args *apa = aux;
90 uint8_t myaddr[ETHER_ADDR_LEN];
91 uint32_t intrmask = 0;
92
93 sc->sc_dev = self;
94 sc->slotno = apa->apa_slotno;
95 if (systype == NEWS4000 && sc->slotno == 0) {
96 sc->sc_flags |= F_NWS40S0;
97 }
98 if ((sc->sc_flags & F_NWS40S0) != 0) {
99 sc->sc_hwbase = (void *)apa->apa_hwbase;
100 sc->sc_regbase = (void *)apa->apa_hwbase;
101 sc->memory = (void *)NEWS4000_SONIC_MEMORY;
102 sc->buffer = (void *)NEWS4000_SONIC_BUFFER;
103 } else {
104 sc->sc_hwbase = (void *)apa->apa_hwbase;
105 sc->sc_regbase =
106 (void *)(apa->apa_hwbase + SONIC_APBUS_REG_OFFSET);
107 sc->memory =
108 (void *)(apa->apa_hwbase + SONIC_APBUS_MEM_OFFSET);
109 }
110
111 aprint_normal(" slot%d addr 0x%lx", apa->apa_slotno, apa->apa_hwbase);
112
113 if ((sc->sc_flags & F_NWS40S0) != 0) {
114 sc->snr_dcr = DCR_STERM | DCR_TFT28;
115 sc->snr_dcr2 = 0x0100;
116 } else {
117 sc->snr_dcr = DCR_WAIT0 | DCR_DMABLOCK | DCR_RFT16 | DCR_TFT16;
118 sc->snr_dcr2 = 0;
119 sc->snr_dcr |= DCR_EXBUS;
120 }
121 sc->bitmode = 1;
122
123 if (sn_ap_getaddr(sc, myaddr)) {
124 aprint_error(": failed to get MAC address\n");
125 return;
126 }
127
128 aprint_normal("\n");
129
130 /* snsetup returns 1 if something fails */
131 if (snsetup(sc, myaddr))
132 return;
133
134 if (systype == NEWS5000) {
135 intrmask = (apa->apa_slotno == 0) ?
136 NEWS5000_INT0_SONIC : NEWS5000_SLOTTOMASK(apa->apa_slotno);
137 }
138 if (systype == NEWS4000) {
139 intrmask = (apa->apa_slotno == 0) ?
140 NEWS4000_INT0_SONIC : NEWS4000_SLOTTOMASK(apa->apa_slotno);
141 }
142
143 apbus_intr_establish(0, /* interrupt level (0 or 1) */
144 intrmask,
145 0, /* priority */
146 snintr, sc, device_xname(self), apa->apa_ctlnum);
147 }
148
149 int
sn_ap_getaddr(struct sn_softc * sc,uint8_t * lladdr)150 sn_ap_getaddr(struct sn_softc *sc, uint8_t *lladdr)
151 {
152
153 if ((sc->sc_flags & F_NWS40S0) != 0) {
154 extern struct idrom idrom;
155 memcpy(lladdr, idrom.id_macadrs, sizeof(idrom.id_macadrs));
156 } else {
157 uint32_t *p;
158 int i;
159
160 p = (uint32_t *)((uint8_t *)sc->sc_hwbase +
161 SONIC_MACROM_OFFSET);
162 for (i = 0; i < ETHER_ADDR_LEN; i++) {
163 int h = *p++ & 0x0f;
164 int l = *p++ & 0x0f;
165 *lladdr++ = (h << 4) + l;
166 }
167 }
168
169 return 0;
170 }
171
172 #define APSONIC_INT_MASK 0x00007f00 /* XXX */
173 #define APSONIC_INT_REG(base) (((u_long)(base) & 0xffc00000) | 0x00100000)
174
175 void
sn_md_init(struct sn_softc * sc)176 sn_md_init(struct sn_softc *sc)
177 {
178
179 if ((sc->sc_flags & F_NWS40S0) != 0) {
180 *(volatile uint32_t *)0xbf700000 = 1;
181 } else {
182 volatile uint32_t *reg =
183 (uint32_t *)APSONIC_INT_REG(sc->sc_hwbase);
184
185 *reg = APSONIC_INT_MASK;
186 }
187 wbflush();
188 apbus_wbflush();
189 delay(10000);
190 }
191